Finding the Fourth Proportional to 519,741.70, 779,612.55 and 283,545.70
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Solution
The fourth proportional to 519,741.70, 779,612.55 and 283,545.70 is: 425,318.55
Step by Step Solution
- Step 1: Write the proportion equation
519,741.70 : 779,612.55 = 283,545.70 : x - Step 2: Convert to fraction form
519,741.70/779,612.55 = 283,545.70/x - Step 3: Cross multiply
519,741.70x = 779,612.55 × 283,545.70 - Step 4: Simplify right side
519,741.70x = 221,055,786,218.54 - Step 5: Solve for x
x = 221,055,786,218.54/519,741.70 - Step 6: Final answer
x = 425,318.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.